Ametek ASCEND Series User manual

Operations Manual
ASCEND SERIES
Single Phase Modular Charger
95-100167, July 2023
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Ascend Single Phase Charger Operation Manual
i 95-100167, Rev A
P R O P R I E T A R Y N O T I C E
The information herein is derived in part from proprietary data of AMETEK Solidstate Controls and its
presentation in this Manual is solely for the convenience and assistance of our customers in installing,
operating and maintaining the equipment. It is not to be used for the purposes of manufacturing the
product or products described herein, transferring to third parties, showing or transferring to
competitors, reproducing or incorporating our designs in another product, or divulging of same to
others for whatever purpose. Publication of this Manual does not convey any rights to reproduce or
to use the information for any purpose other than that stated above. All rights reserved.
The material contained in this Manual is for informational purposes and is subject to change without
notice.
AMETEK Solidstate Controls shall not be responsible for damages, incidental or consequential, from
reliance on the material presented in this Manual.
COPYRIGHT © AMETEK Solidstate Controls, 2023
Ametek Solidstate Controls, Headquarters
875 Dearborn Drive
Columbus, OH 43085
Normal business hours 8:00 AM to 5:00 PM Eastern Standard Time
Phone: [phone]
Toll-Free: [phone]
Within US: [phone], Service after hours
Outside US: [phone]

Ascend Single Phase Charger Operation Manual
95-100167, Rev A ii
SAVE THESE INSTRUCTIONS
This manual contains important instructions for AMETEK Solidstate Controls (SOLIDSTATE) Digital
Charger(ASCEND) Series that should be followed during installation and maintenance of the charger.
The equipment described in this manual is intended for the conditioning of the power in the system for
which it was specified. It should be installed, operated or serviced only by persons who have been
trained in the proper interpretation of its readings and the appropriate safety procedures to be
followed.
Although the equipment described in this manual is designed and manufactured in compliance with all
applicable safety standards, certain hazards are inherent in the use of electrical power equipment.
Warnings and Cautions are presented throughout this document to alert the user to potentially
hazardous situations. A Warning is a precautionary message preceding an operation that has the
potential to cause personal injury or death. A Caution is a precautionary message preceding an
operation that has the potential to cause permanent damage to the equipment and/or loss of data.
Failure to comply with Warning and Caution messages is at the user’s own risk and is sufficient cause to
terminate the warranty agreement between AMETEK Solidstate Controls and the customer.
Adequate warnings are included in this manual and on the product itself to cover hazards that may be
encountered in the normal use and servicing of this equipment. It shall be the owner’s or user’s
responsibility to see to it that the procedures described here are followed. Failure on the part of the
owner or user in any way to follow the prescribed procedures shall absolve AMETEK Solidstate Controls
and its agents from any resulting liability.
Periodic system maintenance and operational tests should be performed to assure that the product is
functioning properly. It is the owner’s or user’s responsibility to maintain records of all system
maintenance and testing performed on the product. Failure to perform regular system maintenance can
lead to reduced system life and/or premature system failures.
Important Safety Instructions

Ascend Single Phase Charger Operation Manual
1 95-100167 Rev A
Table of Contents
1. SAFETY INSTRUCTIONS .................................................................................................................. 5
1.1. Safety......................................................................................................................................5
1.2. Electrical Precautions...............................................................................................................5
1.3. Other Recommendations .........................................................................................................5
2. PERFORMANCE SPECIFICATIONS ................................................................................................ 6
3. INSTALLATION................................................................................................................................... 9
3.1. Storage....................................................................................................................................9
3.2. Unpacking and Inspection ........................................................................................................9
3.3. Mechanical Installation ............................................................................................................9
3.4. Electrical Installation..............................................................................................................11
3.4.1. AC Input Connections................................................................................................................ 12
3.4.2. DC Output/Battery Input Power Connections ..........................................................................13
3.4.3. Alarm Interface Connections .................................................................................................... 13
3.4.4. Wiring Battery Temperature Compensation ............................................................................15
3.4.5. Wiring Communications............................................................................................................15
4. SYSTEM STARTUP CONFIGURATION........................................................................................17
4.1. Verify AC Input supply ...........................................................................................................17
4.2. Verify Charger Output/Battery voltage...................................................................................17
4.3. Start-up .................................................................................................................................17
4.4. Power Off ..............................................................................................................................17
5. OPERATIONAL MODES .................................................................................................................. 18
5.1. Float Charge ..........................................................................................................................18
5.2. Equalize Charge .....................................................................................................................18
5.3. Battery Operation..................................................................................................................18
5.4. Emergency Operation ............................................................................................................18
6. CONTROLS & NAVIGATION .......................................................................................................... 19
6.1. Mimic Screen.........................................................................................................................23
6.2. Alarm ....................................................................................................................................24
6.3. Metering ...............................................................................................................................25
6.4. System Information Screen ....................................................................................................27
6.5. Diagnostics ............................................................................................................................28
6.6. Setup Menus .........................................................................................................................29
6.6.1. DC Voltage Adjust...................................................................................................................... 29
6.6.2. Float/Equalize Modes................................................................................................................ 30
6.6.3. Configuring Alarm Set Points ....................................................................................................31
6.6.4. Current Limit Adjustment ......................................................................................................... 31
6.6.5. Date & Time ..............................................................................................................................31

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 2
6.6.6. Password ...................................................................................................................................32
6.6.7. Language Setting....................................................................................................................... 32
6.6.8. System Information...................................................................................................................32
6.6.9. Advanced Diagnostics ............................................................................................................... 32
6.6.10. USB Alarm ............................................................................................................................... 33
6.6.11. Alarm Relay Test......................................................................................................................33
7. OPERATION....................................................................................................................................... 34
7.1. System Functionality..............................................................................................................34
7.2. Charger Module.....................................................................................................................34
7.2.1. Display Panel .............................................................................................................................34
7.2.2. Alarm Relay Board..................................................................................................................... 35
7.3. System Options......................................................................................................................35
7.3.1. Battery Voltage & Current Monitoring ..................................................................................... 35
7.3.2. Battery Input / Breaker .............................................................................................................35
7.4. System Features ....................................................................................................................35
7.4.1. Input Power Walking (Soft Start) .............................................................................................. 35
7.4.2. Reverse Polarity Protection.......................................................................................................35
7.4.3. Module Over Temperature ....................................................................................................... 36
7.4.4. High DC Shutdown .................................................................................................................... 36
7.4.5. Audible Alarm............................................................................................................................ 36
7.4.6. Lamp Test ..................................................................................................................................36
7.4.7. Latching Alarms......................................................................................................................... 36
7.4.8. Charger Auto−Equalize.............................................................................................................. 36
7.5. Alarm Indications...................................................................................................................36
7.5.1. Low DC Voltage ......................................................................................................................... 37
7.5.2. Pos/Neg DC Ground Detect.......................................................................................................37
7.5.3. High DC Voltage ........................................................................................................................ 37
7.5.4. Battery Near Exhaustion ...........................................................................................................37
7.5.5. AC Input Failure......................................................................................................................... 37
7.5.6. Charger Overload ......................................................................................................................38
7.5.7. DC Output Breaker Open ..........................................................................................................38
7.5.8. Charger Output Fuse Blown...................................................................................................... 38
7.5.9. Equalize Relay............................................................................................................................38
7.5.10. Module Over temperature......................................................................................................38
7.5.11. Relay Communications Failure................................................................................................ 38
7.5.12. Relay Configuration................................................................................................................. 38
7.6. Optional Alarms.....................................................................................................................39
7.6.1. High DC Disconnect...................................................................................................................39
7.6.2. Low DC Disconnect.................................................................................................................... 39
7.6.3. AC Input CB Open......................................................................................................................39
7.6.4. Battery CB Open........................................................................................................................ 39
7.7. Optional Features ..................................................................................................................40
7.7.1. Battery Temperature Compensation ........................................................................................40

Ascend Single Phase Charger Operation Manual
3 95-100167 Rev A
7.7.2. Battery Voltage & Current Monitoring ..................................................................................... 41
7.7.3. Equalize Inhibit.......................................................................................................................... 42
7.7.4. Dual Charger Current Limit Control ..........................................................................................42
7.7.5. Communications Package .........................................................................................................42
7.7.6. DNP3 Communications ............................................................................................................. 46
8. MAINTENANCE.................................................................................................................................48
8.1. Preventive Maintenance ........................................................................................................48
8.2. RecommendedMaintenance Procedures ................................................................................48
8.3. Module Replacement.............................................................................................................49
8.4. Display PCB Replacement.......................................................................................................49
8.5. Troubleshooting ....................................................................................................................49
8.5.1. DC Voltage not adjustable......................................................................................................... 49
8.5.2. No Output Voltage and/or Current...........................................................................................49
8.5.3. Low Output Voltage ..................................................................................................................50
8.5.4. Ground Fault Alarm................................................................................................................... 50
8.5.5. Relay Communications Failure.................................................................................................. 50
8.5.6. Module (CAN)Communications Failure ....................................................................................50
8.5.7. Low Output Current ..................................................................................................................50
8.5.8. No Output – Fuses Open or Input Breaker Tripped .................................................................. 50
8.5.9. Alarm Diagnostics...................................................................................................................... 51
9. PRODUCT SUPPORT SERVICES................................................................................................... 52
9.1. Warranty Coverage................................................................................................................52
9.1.1. Standard Warranty....................................................................................................................52
9.2. Return Material Authorization (RMA).....................................................................................52
9.3. Recommended Spare Parts ....................................................................................................52
9.3.1. Operational Spare Parts ............................................................................................................ 52
9.3.2. Optional Custom Spares............................................................................................................ 52
9.3.3. Bill of Material/ Components List .............................................................................................53
9.3.4. Service Organization Contact Numbers ....................................................................................53
APPENDIX A: MODBUS REGISTERS ..............................................................................................54
APPENDIX B: DNP3 INDECIES ........................................................................................................ 58
APPENDIX C: SCHEMATIC AND WIRING DIAGRAM................................................................. 60
APPENDIX D: 20A & 40A OUTLINE ...............................................................................................61
APPENDIX E: 60A-100A OUTLINE ................................................................................................62

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 4

Ascend Single Phase Charger Operation Manual
5 95-100167 Rev A
1. SAFETY INSTRUCTIONS
1.1. Safety
SAVE THESE INSTRUCTIONS: This manual contains important safety and operating
instructions for ASCEND battery chargers.
Before using the Ascend battery charger, read all instructions and cautionary markings
on battery charger, battery, and product using the battery.
The procedures described in these instructions are intended for use by persons knowledgeable in the
operation of Battery Chargers. Persons unfamiliar with this type of equipment should seek guidance
from those who have experience with it.
1.2. Electrical Precautions
Always assume circuits are electrically “hot” when working on the equipment. Never handle a
component or assembly without confirming no voltage is present. High voltages and currents exist inside
this equipment and present an explosion and severe burn hazard!
•Never handle a component or assembly without personally confirming that no voltage is applied
or present.
•Use only insulated tools.
•Wear safety glasses and appropriate PPE.
•Use only insulated tools.
•Remove all metal jewelry including earrings, necklaces, and watches.
•Keep doors closed at all times when starting equipment or during normal operations.
•Use battery operated test equipment and/or isolated ungrounded test equipment. On
ungrounded test equipment, an electrical shock hazard will exist, and one should avoid touching
the test equipment and Charger cabinet at the same time.
•Use a “buddy” system when working on energized equipment.
1.3. Other Recommendations
•Wear steel-toed shoes when handling heavy tools and parts.
•Electronic circuit boards are susceptible to Electro-Static Discharge (EDS)
damage. Take appropriate EDS precautions (i.e.: grounded wrist bands).
The Ascend Battery Charger is designed and built for safe operation when used to supply its rated load,
provided it is installed as specified by a qualified electrician.

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 6
2. PERFORMANCE SPECIFICATIONS
The ASCEND Series Battery Chargers maintain constant DC voltage to power inverters, battery banks,
and other DC loads.
Parameters
AC Input Phase
1 Ø
AC Input Voltage
208/240 V
AC Input Frequency
50 or 60 Hz
AC Input Voltage Tolerance
±10 %
Power Factor
>0.98
Input THD
<5%
Output Voltage
Float 100-125% of nominal (110v)
110-137.5 Vdc
Equalize 110-135% of nominal (110v)
121-148.5 Vdc
Output Current:
20A, 40A, 60A, 80A, AND 100A, adjustable from
70% up to 100%
Output Current Limit:
50% to 100%
Grounding:
Floating ground on output
Static regulation:
< ±0.25% for simultaneous variations of ±10%
input voltage, ±5% input frequency and 10-100%
load for both the Float and Equalize mode
Dynamic regulation:
±8% from 10% to 90% and 90% – 10% load
variation (t<200msec) with or without batteries
Efficiency:
up to 94%
AC ripple
< 1% ripple without the battery connected
< 0.1% ripple filter with a battery connected
Environmental
Continuous operational temperature:
-10 °C to +40 °C
Storage temperature range:
-20 °C to +70 °C
Operating humidity:
0 up to 95% non-condensing
Operating Altitude:
0 to 2,000 meters (6,600 feet)
Audible Noise:
< 65 dB (A) @ 1 meter
Cooling:
Enclosure convection cooled, Modules fan assisted
System Measurements
Charger Output Voltage
Charger Output Current
Percent Loading
Battery Current & Voltage Metering (optional)
Includes Battery Current limit & Battery Discharge
alarm

Ascend Single Phase Charger Operation Manual
7 95-100167 Rev A
Standard Alarms
Low DC Voltage
Pos/Neg DC Ground Detect
High DC Voltage
AC Input Failure
Battery Near Exhaustion
Charger Overload
DC Output Breaker Open
Charger Output Fuse Blown
Module Failure
Module Over Temperature
Module Over Temperature Shutdown
Relay Communications Failure
System Over Temperature – No Relay
High DC Shutdown
Optional Alarms
High DC Disconnect
AC Input CB Open
Battery CB Open
Low DC Disconnect (Trip Battery Breaker)
Relay Contacts – Form C
Common
Communications Failure
Up to 6 total Configurable alarm relays
Standard Features
Alarm Relay Test
Audible Alarm
Lamp Test
Latching Alarms – configurable On/Off
Charger Auto−Equalize – configurable On/Off
Optional Functions
Battery Temperature Compensation
Equalize Inhibit
Dual Charger Current Limit Control
Communications Package
SNMP Communication
DNP 3.0 Communications
Optional Features
Key−Lockable Enclosure
Tropicalization Fungus & Moisture Proofing
PCB Corrosion Protective Coating
Heat shrink Wire Markers (Power Only)
Heat shrink Wire Markers (Power & Control)
DC Rated Contacts
Padlock Breakers
20% Spare Terminals

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 8
Charger Rating
20A
40A
60A
80A
100A
Input Current
Amps
14.8
29.5A
44.3A
56.1
73.9
Full Load Losses
Watts
181
361
542W
723
903
Btu
616
1233
1849
2465
3082
AC CB Rating
Current
20
40
70
80
100
kAIC
10
10
25*
25*
25*
DC CB Rating
Current
25
50
80
100
125
kAIC
10
10
25**
25**
25**
Heat Loss
Btu/Hr
616
1233
1849
2465
3082
Weight
lbs/kg
69/31
86/39
137/62.1
152/69
167/75.8
Enclosure
A
A
B
B
B
* Optional 100kAIC rating available
** Optional 70kAIC rating available
Enclosure
H
W
D
Size ‘A’:
48”
24”
24.7
1219mm
609mm
627mm
Size ‘B’:
79”
32”
36”
2006mm
813mm
914mm

Ascend Single Phase Charger Operation Manual
9 95-100167 Rev A
3. INSTALLATION
3.1. Storage
If the equipment is not to be placed in immediate service, it should be kept in a clean and dry area and
protected from water, condensation, dirt, and extremes of temperature. Do not stack the Chargers.
3.2. Unpacking and Inspection
Upon receipt of the unit, inspect the equipment for damage. If it has been damaged during shipment,
keep the packing materials, and contact the carrier to file a claim for shipping damage.
Carefully remove the packing materials from the Charger. After all the external packing materials have
been removed, inspect inside the Charger for any other temporary shipping materials which may have
been used. Materials such as tape, which may be used to hold relays in their sockets, should be removed
and discarded.
3.3. Mechanical Installation
The equipment should be located in a controlled environment (an environment relatively free of
conductive contaminations and a temperature and humidity controlled indoor area). Adequate
ventilation should be provided by allowing at least three feet of space in front of the equipment, at least
one foot above the equipment and 6 inches on all vented surfaces.
The 20A & 40A Ascend Charger is designed to mount to the wall using the mounting flanges on the sides
of the enclosure. The wall should be strong enough to support the Ascend weight, plus a safety factor.
The 20A & 40A charger is designed to be lifted from the bottom by a pallet jack or lift truck. The
modules may be removed to lighten the unit. A separate floor mounting stand can be ordered as a
factory option.
The 20A & 40A charger is mounted to the wall using six (6) 0.25 in (6.4mm) bolts (not provided), see
below for hole locations. The 60A-100A is designed for floor mounting. Four (4) 0.25 in (6.4mm) anchor
bolts (not provided) may be used to mount to the floor. Refer to the outline drawings in the Appendix of
this manual.
Cable entrance is available through the top or top right side of the equipment. Prefab knockouts are
provided on the enclosure top and right side. The power connection terminals are located behind the AC
Input circuit breaker, and the alarm connections are located on the rear. Reference the outline drawing
for detailed connection locations.

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 10
Figure 1: Conduit Entry Location
To mount the 20A & 40A Ascend Charger on the floor, an optional floor mounting stand is required. The
kit includes:
Part #
Description
Qty
70-122743-90
Stand sides
2
70-122744-90
Stand brace
6
03-400041-00
1/4-20 x 1/2 Self-forming
screw
24
03-400042-00
#10-24 x 1/2 Self-forming
screw
4
Assemble the stand sides and braces as shown using the
1/4-20 x 1/2” tread-forming screws. The 1/4” Self-
Forming screws should be torqued to 5-6 ft-lb.
Once the stand is assembled, mount the charger on the
stand. Use the #10 screws to fasten the charger to the
stand from underneath the stand in the four corners,
torque to 30-32 in-lb.
Reference Appendix D:20A & 40A Outline for dimensions.

Ascend Single Phase Charger Operation Manual
11 95-100167 Rev A
3.4. Electrical Installation
The Ascend Battery Charger is designed to be permanently connected to an appropriately rated single
phase, AC mains and battery and DC load circuits. Wiring used must be sized appropriately for the
charger input current and must be selected to meet any applicable local codes (reference
Table 1 for recommended wire sizes and circuit breaker ratings). Use copper conductors only.
Table 1: Input/Output Wire Sizes
Model Input
Breaker
Max
Input
current
Minimum Input
Wire size
Output
Breaker
Minimum Output
Wire size
AWG
mm2
AWG
mm2
ASC-120-0020-
20
14.8
14
2.5
25
10
6
ASC-120-0040-
40
29.5
10
6
50
8
10
ASC-120-0060-
70
44.3
8
10
80
4
25
ASC-120-0080-
80
59.1
6
16
100
2
35
ASC-120-0100-
100
73.9
4
25
125
1
50
The wire size is based upon the National Electric Code Article 310-16 copper conductor assuming 90°C
(194°F) wire, maximum wire length of 250 feet and 40°C (104°F) ambient temperature.
DC Wires should be sized to minimize voltage drop. The wire size will depend upon your installation. It
is recommended that the AC and DC conductors are in separate conduit to reduce noise coupling
between them.
Power terminal connections are located on the top right of the enclosure, reference Figure 2: Power
Terminal Location.
Figure 2: Power Terminal Location

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 12
3.4.1. AC Input Connections
Verify the branch circuit breaker or fused disconnect is locked out.
Confirm that the Serial tag voltage rating is correct for the AC input supply voltage.
Connect the Charger to the appropriate source of AC power via conduit knockout openings on the
charger enclosure.
The earthed conductor of the AC input circuit must be connected to the charger-grounding stud left of
the terminals. When routing the cable, make sure that the wire is not laying over any sharp edges which
may cut into the wiring. AC Input wiring must be kept at least 1/4" (6.3 mm) away from all output,
alarm, data interface wiring, and from other uninsulated electrical parts not connected to the input
conductor.
20A and 40A models utilize compression terminals and will accept 16-8 GA (1.25-8mm2) wire, reference
Figure 3.
Figure 3: 20A & 40A Power Connections
60A through 100A models utilize a 1/4” stud terminal and require wire lugs, reference Figure 4.
Figure 4: 60A to 100A Power Connections
Wire lugs to power connections should be a compression, die crimped, 600V copper tin plated, UL-listed
lug. See Table 2: Power Conductor Terminations for recommended BurndyTM cable connections.
Recommended Burndy MY29-3 crimp tooling shall be appropriate for the lugs being used. Tighten bolts
to 60-72 in-lbs (6.8-8.1 nm)
AC
INPUT
L1 L2
BATTERY
INPUT
+ -
DC
OUTPUT
+ -
AC INPUT
L1 L2
BATTERY INPUT
+ -
DC OUTPUT
+-
EARTH
GROUND
EARTH
GROUND

Ascend Single Phase Charger Operation Manual
13 95-100167 Rev A
Table 2: Power Conductor Terminations
Wire Size BurndyTM Connector
#8 AWG
YA8CL2TC14E2
#6 AWG
YA6CL2TC14E2
#4 AWG
YA4CL2TC14E2
#2 AWG
YA2CL2TC14E2
#1 AWG
YA1CL2TC14E2
3.4.2. DC Output/Battery Input Power Connections
Connect the DC output to its load and/or batteries. It is extremely important to observe the proper
polarity of the DC connections. Failure to do so could result in an explosion and damage to the battery
charger. The DC output cable should be sized to carry the maximum ampere requirement when
operating in the current limit mode (recharging batteries).
Contractors are encouraged to size power cables according to the circuit breaker ratings (when
applicable) otherwise the cables should be sized to the maximum possible current. The steel hardware
should be plated with zinc or other acceptable anti-corrosion material.
3.4.3. Alarm Interface Connections
The Alarm Interface Connections provide connections for remote monitoring of system alarms. SPDT
contacts are provided for all standard and optional alarms. The connections are located behind the door
on the top rear.
Each Ascend Charger comes with one Common alarm and one loss of communications alarm. Additional
alarm relays can be configured, reference 7.5.12. Relay Configuration.
Alarms connections can be made through the #6 screw terminal blocks or via removeable screw
terminal blocks provided. See Figure 5: Alarm Relay Connections for terminal locations. The factory
configured relay assignments are on the inside front door label.
Most relays are energized in the normal state, reference sections 7.5. and 7.6. for normal state of alarm.
A Red LED indicator is provided to easily show when the relay is energized.

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 14
Figure 5: Alarm Relay Connections
These alarm connections should be connected using wiring appropriate for the annunciation system
being used. The alarm contacts are rated 8A at 120Vac/30Vdc. DC contacts must be supplied from a
single voltage source. For alarm wire connections it is recommended that T&B STA-KONTM connectors be
used with Thomas & BettsTM # ERG4001 rachet crimper.
Table 3: Thomas and Betts Alarm Terminals
Wire Size
T&B Ring Terminals
T&B Locking Fork Terminals
18 AWG
RA18-6
RA18-6F
16-14 AWG
RB14-6
RB14-6F
12-10 AWG
RC10-6X
RC10-6F
NC NC
2 1
3
4
568 7 910
12 112 1
3
4
568 7 910
12 11
2
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
K1
COMMON
1345678 9 10 11 12
K2 K3 K4
21 345678 9 10 11 12
COM
NO
NC
COM
NO
NC
COM
NO
NC
COM
NO
NC
K5 K6 K7 K8
COM
NC
NO
COM
NO
NC
J2 J3
J8
K2K1
LOSS OF
COMM
COMMON
K4
K3
LOSS OF
COMM
J7 J6 J5
COM
NC
NO
COM
NO
NC
K6
K5
COM
NC
NO
COM
NO
NC
K8
K7
COM
NC
NO
COM
NO
NC

Ascend Single Phase Charger Operation Manual
15 95-100167 Rev A
3.4.4. Wiring Battery Temperature Compensation
The battery temperature compensation probe contains a temperature dependent resistor in a module.
Mount the temperature sensor on the battery or in a central location near the batteries to provide an
average ambient temperature.
Route the temperature sensor cable to the Ascend charger. Connect the Temperature compensation
cable to PCB3, connector J3 located on the inside top left cabinet. The cable may be removed from the
connector to facilitate routing and enclosure entry. Reconnect the cable as below using a small flat bade
screwdriver.
SIGNAL
WHT
3
GND
BLK
2
+V
RED
1 4
EARTH
J3
The Temperature sensor cable should not be run along with any power cables, AC or DC to prevent noise
from affecting the controls.
3.4.5. Wiring Communications
The Communications optional package (Opt #210) includes Modbus over RS-485 using RTU mode and
Modbus TCP / Ethernet.
Screw terminals are provided for RS-485 transmit, receive, and ground on the inside top right of the
cabinet. These terminals are mark.
A 10/100Base-T Ethernet RJ45 connector is provided for Modbus TCP / Ethernet on the inside top right
of the cabinet.
Reference 7.7.5. Communications Package for configuration.

Ascend Single Phase Charger Operation Manual
95-100167, Rev A 16
Optional DNP 3.0 is provided through a separate converter module located on the top left side of the
cabinet. Connect 10/100Base-T Ethernet to the Ethernet 1 port.
Only one communication package can be provided Modbus RTU, IEC 61850 or DNP3.